皮皮学，免费搜题
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【单选题】
蛋白质变性的化学本质是A.
不易被胃蛋白酶水解
B.
溶解度增加
C.
粘度下降
D.
原有生物活性的丧失
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举一反三
【单选题】Only then ______ how much damage had been caused.
A.
had she realized
B.
she realized
C.
did she realize
D.
she had realized
【单选题】She said she _______ the new coat for only a week. [ ]
A.
has bought
B.
had bought
C.
has had
D.
had had
【简答题】: 增色效应, 减色效应, 核酸分子杂交, 密码子, 反密码子 ,分子印迹技术 ;病毒,噬菌体; mRNA, tRNA, rRNA, Tm , cAMP, IMP, ATP, bp 中文名称及含义 ; I+G ( 食品工业常用的添加剂 ),
【简答题】食品添加剂的名词解释_____。
【单选题】Only then how much damage had been caused [ ]
A.
did she realize
B.
she realized
C.
had she realized
D.
she had realized
【单选题】Only then____that she had made a mistake
A.
she realized
B.
did she realize
C.
had she realized
D.
she had realized
【简答题】名词 解释 : LD50 、 MNL 、 ADl 2 、 简述食品添加剂的基本要求 。
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